diff --git a/build.gradle.kts b/build.gradle.kts
index dd5c207..44be9b0 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -70,6 +70,7 @@ dependencies {
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
     testImplementation("org.springframework.security:spring-security-test")
+    runtimeOnly("com.h2database:h2")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }
 
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/item/controller/AdminItemController.kt b/src/main/kotlin/site/billilge/api/backend/domain/item/controller/AdminItemController.kt
index 183b6ab..2d19422 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/item/controller/AdminItemController.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/item/controller/AdminItemController.kt
@@ -9,13 +9,14 @@ import site.billilge.api.backend.domain.item.dto.request.ItemRequest
 import site.billilge.api.backend.domain.item.dto.response.AdminItemFindAllResponse
 import site.billilge.api.backend.domain.item.dto.response.ItemDetail
 import site.billilge.api.backend.domain.item.facade.AdminItemFacade
+import site.billilge.api.backend.domain.member.enums.Role
 import site.billilge.api.backend.global.annotation.OnlyAdmin
 import site.billilge.api.backend.global.dto.PageableCondition
 import site.billilge.api.backend.global.dto.SearchCondition
 
 @RestController
 @RequestMapping("/admin/items")
-@OnlyAdmin
+@OnlyAdmin(roles = [Role.ADMIN, Role.GA, Role.WORKER])
 class AdminItemController(
     private val adminItemFacade: AdminItemFacade
 ) : AdminItemApi {
@@ -32,6 +33,7 @@ class AdminItemController(
         )
     }
 
+    @OnlyAdmin
     @PostMapping(consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
     override fun addItem(
         @RequestPart image: MultipartFile,
@@ -41,6 +43,7 @@ class AdminItemController(
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
+    @OnlyAdmin
     @PutMapping("/{itemId}", consumes = [MediaType.MULTIPART_FORM_DATA_VALUE])
     override fun updateItem(
         @PathVariable itemId: Long,
@@ -58,6 +61,7 @@ class AdminItemController(
         return ResponseEntity.ok(adminItemFacade.getItemById(itemId))
     }
 
+    @OnlyAdmin
     @DeleteMapping("/{itemId}")
     override fun deleteItem(@PathVariable itemId: Long): ResponseEntity<Void> {
         adminItemFacade.deleteItem(itemId)
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/member/controller/AdminMemberController.kt b/src/main/kotlin/site/billilge/api/backend/domain/member/controller/AdminMemberController.kt
index b571fc2..4195d13 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/member/controller/AdminMemberController.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/member/controller/AdminMemberController.kt
@@ -6,13 +6,14 @@ import site.billilge.api.backend.domain.member.dto.request.AdminRequest
 import site.billilge.api.backend.domain.member.dto.response.AdminFindAllResponse
 import site.billilge.api.backend.domain.member.dto.response.MemberFindAllResponse
 import site.billilge.api.backend.domain.member.facade.AdminMemberFacade
+import site.billilge.api.backend.domain.member.enums.Role
 import site.billilge.api.backend.global.annotation.OnlyAdmin
 import site.billilge.api.backend.global.dto.PageableCondition
 import site.billilge.api.backend.global.dto.SearchCondition
 
 @RestController
 @RequestMapping("admin/members")
-@OnlyAdmin
+@OnlyAdmin(roles = [Role.ADMIN, Role.GA, Role.WORKER])
 class AdminMemberController(
     private val adminMemberFacade: AdminMemberFacade
 ) : AdminMemberApi {
@@ -32,12 +33,14 @@ class AdminMemberController(
         return ResponseEntity.ok(adminMemberFacade.getAdminList(pageableCondition, searchCondition))
     }
 
+    @OnlyAdmin
     @PostMapping("/admins")
     override fun addAdmins(@RequestBody request: AdminRequest): ResponseEntity<Void> {
         adminMemberFacade.addAdmins(request)
         return ResponseEntity.ok().build()
     }
 
+    @OnlyAdmin
     @DeleteMapping("/admins")
     override fun deleteAdmins(@RequestBody request: AdminRequest): ResponseEntity<Void> {
         adminMemberFacade.deleteAdmins(request)
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/member/dto/request/AdminRequest.kt b/src/main/kotlin/site/billilge/api/backend/domain/member/dto/request/AdminRequest.kt
index 3c14488..ec94a1d 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/member/dto/request/AdminRequest.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/member/dto/request/AdminRequest.kt
@@ -1,9 +1,12 @@
 package site.billilge.api.backend.domain.member.dto.request
 
 import io.swagger.v3.oas.annotations.media.Schema
+import site.billilge.api.backend.domain.member.enums.Role
 
 @Schema
 data class AdminRequest(
     @field:Schema(description = "회원 ID 목록", example = "[1, 2, 3]")
-    val memberIds: List<Long>
+    val memberIds: List<Long>,
+    @field:Schema(description = "관리자 역할", example = "ADMIN")
+    val role: Role = Role.ADMIN,
 )
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/member/enums/Role.kt b/src/main/kotlin/site/billilge/api/backend/domain/member/enums/Role.kt
index 3ac009e..b96f8f4 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/member/enums/Role.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/member/enums/Role.kt
@@ -5,5 +5,7 @@ enum class Role(
     val description: String,
 ) {
     USER("ROLE_USER", "사용자"),
-    ADMIN("ROLE_ADMIN", "관리자")
+    ADMIN("ROLE_ADMIN", "관리자"),
+    WORKER("ROLE_WORKER", "근무자"),
+    GA("ROLE_GA", "총무부"),
 }
\ No newline at end of file
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/member/facade/AdminMemberFacade.kt b/src/main/kotlin/site/billilge/api/backend/domain/member/facade/AdminMemberFacade.kt
index aa07eb7..ecba519 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/member/facade/AdminMemberFacade.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/member/facade/AdminMemberFacade.kt
@@ -27,7 +27,7 @@ class AdminMemberFacade(
     }
 
     fun addAdmins(request: AdminRequest) {
-        memberService.addAdmins(request.memberIds)
+        memberService.addAdmins(request.memberIds, request.role)
     }
 
     fun deleteAdmins(request: AdminRequest) {
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/member/service/MemberService.kt b/src/main/kotlin/site/billilge/api/backend/domain/member/service/MemberService.kt
index afca9af..265d0c7 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/member/service/MemberService.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/member/service/MemberService.kt
@@ -69,10 +69,10 @@ class MemberService(
     }
 
     @Transactional
-    fun addAdmins(memberIds: List<Long>) {
+    fun addAdmins(memberIds: List<Long>, role: Role) {
         memberRepository.findAllByIds(memberIds)
             .forEach { member ->
-                member.updateRole(Role.ADMIN)
+                member.updateRole(role)
             }
     }
 
@@ -125,7 +125,7 @@ class MemberService(
         if (password != adminPassword)
             throw ApiException(MemberErrorCode.ADMIN_PASSWORD_MISMATCH)
 
-        if (member.role != Role.ADMIN)
+        if (member.role !in listOf(Role.ADMIN, Role.GA, Role.WORKER))
             throw ApiException(MemberErrorCode.FORBIDDEN)
 
         return tokenProvider.generateToken(member, Duration.ofDays(30))
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/notification/controller/AdminNotificationController.kt b/src/main/kotlin/site/billilge/api/backend/domain/notification/controller/AdminNotificationController.kt
index 4805352..1b52779 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/notification/controller/AdminNotificationController.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/notification/controller/AdminNotificationController.kt
@@ -7,10 +7,11 @@ import org.springframework.web.bind.annotation.RequestMapping
 import org.springframework.web.bind.annotation.RestController
 import site.billilge.api.backend.domain.notification.dto.response.NotificationFindAllResponse
 import site.billilge.api.backend.domain.notification.facade.AdminNotificationFacade
+import site.billilge.api.backend.domain.member.enums.Role
 import site.billilge.api.backend.global.annotation.OnlyAdmin
 import site.billilge.api.backend.global.security.oauth2.UserAuthInfo
 
-@OnlyAdmin
+@OnlyAdmin(roles = [Role.ADMIN, Role.GA, Role.WORKER])
 @RestController
 @RequestMapping("/admin/notifications")
 class AdminNotificationController(
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/payer/controller/AdminPayerController.kt b/src/main/kotlin/site/billilge/api/backend/domain/payer/controller/AdminPayerController.kt
index cee72df..2c67053 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/payer/controller/AdminPayerController.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/payer/controller/AdminPayerController.kt
@@ -10,6 +10,7 @@ import site.billilge.api.backend.domain.payer.dto.request.PayerDeleteRequest
 import site.billilge.api.backend.domain.payer.dto.request.PayerRequest
 import site.billilge.api.backend.domain.payer.dto.response.PayerFindAllResponse
 import site.billilge.api.backend.domain.payer.facade.AdminPayerFacade
+import site.billilge.api.backend.domain.member.enums.Role
 import site.billilge.api.backend.global.annotation.OnlyAdmin
 import site.billilge.api.backend.global.dto.PageableCondition
 import site.billilge.api.backend.global.dto.SearchCondition
@@ -18,7 +19,7 @@ import java.time.format.DateTimeFormatter
 
 @RestController
 @RequestMapping("/admin/members/payers")
-@OnlyAdmin
+@OnlyAdmin(roles = [Role.ADMIN, Role.GA])
 class AdminPayerController(
     private val adminPayerFacade: AdminPayerFacade
 ) : AdminPayerApi {
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/AdminRentalController.kt b/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/AdminRentalController.kt
index d777ca7..e249eb4 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/AdminRentalController.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/AdminRentalController.kt
@@ -9,6 +9,7 @@ import site.billilge.api.backend.domain.rental.dto.response.AdminRentalHistoryFi
 import site.billilge.api.backend.domain.rental.dto.response.DashboardResponse
 import site.billilge.api.backend.domain.rental.enums.RentalStatus
 import site.billilge.api.backend.domain.rental.facade.AdminRentalFacade
+import site.billilge.api.backend.domain.member.enums.Role
 import site.billilge.api.backend.global.annotation.OnlyAdmin
 import site.billilge.api.backend.global.dto.PageableCondition
 import site.billilge.api.backend.global.dto.SearchCondition
@@ -16,7 +17,7 @@ import site.billilge.api.backend.global.security.oauth2.UserAuthInfo
 
 @RestController
 @RequestMapping("/admin/rentals")
-@OnlyAdmin
+@OnlyAdmin(roles = [Role.ADMIN, Role.GA, Role.WORKER])
 class AdminRentalController(
     private val adminRentalFacade: AdminRentalFacade
 ) : AdminRentalApi {
@@ -53,6 +54,7 @@ class AdminRentalController(
         return ResponseEntity.ok().build()
     }
 
+    @OnlyAdmin
     @DeleteMapping("/{rentalHistoryId}")
     override fun deleteRentalHistory(@PathVariable rentalHistoryId: Long): ResponseEntity<Void> {
         adminRentalFacade.deleteRentalHistory(rentalHistoryId)
diff --git a/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/RentalController.kt b/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/RentalController.kt
index 0647dd0..3c802bb 100644
--- a/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/RentalController.kt
+++ b/src/main/kotlin/site/billilge/api/backend/domain/rental/controller/RentalController.kt
@@ -9,6 +9,7 @@ import site.billilge.api.backend.domain.rental.dto.response.RentalHistoryFindAll
 import site.billilge.api.backend.domain.rental.dto.response.ReturnRequiredItemFindAllResponse
 import site.billilge.api.backend.domain.rental.enums.RentalStatus
 import site.billilge.api.backend.domain.rental.facade.RentalFacade
+import site.billilge.api.backend.global.annotation.OnlyAdmin
 import site.billilge.api.backend.global.security.oauth2.UserAuthInfo
 
 @RestController
@@ -27,6 +28,7 @@ class RentalController(
         return ResponseEntity.status(HttpStatus.CREATED).build()
     }
 
+    @OnlyAdmin
     @PostMapping("/dev")
     override fun createDevRental(
         @AuthenticationPrincipal userAuthInfo: UserAuthInfo,
diff --git a/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdmin.kt b/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdmin.kt
index c860f5d..8cbc1c3 100644
--- a/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdmin.kt
+++ b/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdmin.kt
@@ -1,6 +1,6 @@
 package site.billilge.api.backend.global.annotation
 
-import org.springframework.security.access.prepost.PreAuthorize
+import site.billilge.api.backend.domain.member.enums.Role
 
 @Target(
     AnnotationTarget.FUNCTION,
@@ -11,5 +11,6 @@ import org.springframework.security.access.prepost.PreAuthorize
 @Retention(
     AnnotationRetention.RUNTIME
 )
-@PreAuthorize("hasRole('ROLE_ADMIN')")
-annotation class OnlyAdmin
\ No newline at end of file
+annotation class OnlyAdmin(
+    val roles: Array<Role> = [Role.ADMIN]
+)
diff --git a/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdminAspect.kt b/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdminAspect.kt
new file mode 100644
index 0000000..b05d189
--- /dev/null
+++ b/src/main/kotlin/site/billilge/api/backend/global/annotation/OnlyAdminAspect.kt
@@ -0,0 +1,33 @@
+package site.billilge.api.backend.global.annotation
+
+import org.aspectj.lang.JoinPoint
+import org.aspectj.lang.annotation.Aspect
+import org.aspectj.lang.annotation.Before
+import org.aspectj.lang.reflect.MethodSignature
+import org.springframework.security.authorization.AuthorizationDeniedException
+import org.springframework.security.core.context.SecurityContextHolder
+import org.springframework.stereotype.Component
+
+@Aspect
+@Component
+class OnlyAdminAspect {
+
+    @Before("@within(site.billilge.api.backend.global.annotation.OnlyAdmin) || @annotation(site.billilge.api.backend.global.annotation.OnlyAdmin)")
+    fun checkRole(joinPoint: JoinPoint) {
+        val methodSignature = joinPoint.signature as MethodSignature
+        val method = methodSignature.method
+
+        val annotation = method.getAnnotation(OnlyAdmin::class.java)
+            ?: joinPoint.target.javaClass.getAnnotation(OnlyAdmin::class.java)
+            ?: return
+
+        val allowedRoles = annotation.roles.map { it.key }.toSet()
+
+        val authentication = SecurityContextHolder.getContext().authentication
+        val authorities = authentication?.authorities?.map { it.authority }?.toSet() ?: emptySet()
+
+        if (authorities.none { it in allowedRoles }) {
+            throw AuthorizationDeniedException("Access Denied")
+        }
+    }
+}